Hummer H3 Key Fob Battery Remote Replacement (2006 – 2010)

On this page, I will show you how to replace the battery in your Hummer H2 key fob.

To quickly see which battery you need to buy, check the table below. If you click on the battery associated with your device, that will take you over to Amazon, where you can buy that battery for a great price.

To see a video tutorial on how to change the internal battery—scroll down and find the video that shows your device in the thumbnail. Click on the play button. The video will show you the step-by-step process, which takes just about 5 minutes.

For other Hummer models, see our Hummer key fob battery page.

Oval2006 - 2010Check on Amazon

How to replace the Hummer H3 “Oval” key fob battery (2006, 2007, 2008, 2009, 2010)

Watch the video below for a step-by-step tutorial on how to change the battery in your key fob.

What you will need:

  • 1x CR2032 battery
  • Flat-head screwdriver
Hummer H3 Key Fob Battery Replacement (2006 - 2010)

This is the battery you need for the Hummer H3 “Oval” key fob:

Amazon Basics 4 Pack CR2032 3 Volt Lithium Coin Cell Battery
  • IN THE BOX: 4-pack of CR2032 3 volt lithium coin cell batteries; replacement for BR2032, DL2032, and ECR2032
  • DEVICE COMPATIBLE: Ideal for watches, calculators, key fobs, Apple TV remotes, and other small electronics
  • DESIGNED TO LAST: 8-year leak-free shelf life